From the director of Chasing Ice comes an epic adventure to capture our changing oceans.

Coral reefs around the world are vanishing at an unprecedented rate. A team of divers, photographers and scientists set out on a thrilling ocean adventure to discover why and to reveal the underwater mystery to the world.

In the great halls of La Boqueria, Barcelona’s central market, tourists, foodies and cooks gather every day to marvel at the fresh food, like pilgrims at the site of a miracle. The chief shrines are the fish counters, where thousands of sea creatures making up dozens of species gleam pink and gray on mounds of ice.